Pruning - Rhododendrons: Just after bloom, when the flowers of Rhododendrons have faded, carefully remove spent flowers. It may help to hold the stem in one hand and snap off the faded flower with the other hand; be careful not to snap off the new growth that is just under the old flower stem. Removing the spent flowers will encourage the plant to send energy into forming flowers for next year and not on seed production. Erigeron: Shear to 3 inches when the plant has bloomed about 60 percent of the blooms. Watch The Gardening Tutor video: Shearing Plants to Encourage Flowers or FoliageWisteria: Prune Wisteria’s vigorous growth back to six nodes (growth bumps along stem). In winter prune these same points back to two nodes to encourage flowers. If you want your Wisteria to grow longer to cover an arbor leave some of the long, vigorous growth unpruned and guide it along the area you want it to grow. Keep Dahlias and other repeat bloomers deadheaded (remove spent flower and that flower's stem) to promote more flowers.
Annuals – Sunflowerseeds can be sown all summer long. Spaced about 2 weeks apart will give a continual bloomfest!
Fertilizing - Clematis and repeat blooming roses appreciate monthly fertilizer throughout the growing season (Mary uses Maxsea). Also remember to fertilize citrus and other shrubs growing in containers. In ground Citrus also perform better with regular fertilizing. Continue to fertilize summer annuals, such as Zinnias, Cosmos, Salpiglosis, and others too to get them off to a good start..
Mulching – Camellias, Azaleas, Rhododendrons, Blueberries are acid loving plants that prefer a more acid ph mulch. Mulching helps the soil stay damp, which they all love. Annual plants tend to grow best with compost as mulch instead of bark as mulch. Watch The Gardening Tutor Video: Mulch vs. Compost.